<template>
    <div style="width: 80%">
        <div style="margin-bottom: 30px">编辑图书信息</div>
        <el-form :inline="true" :model="form" :rules="rules" ref="ruleForm" label-width="100px">
            <el-form-item label="图书名称" prop="name">
                <el-input v-model="form.name" placeholder="请输入图书名称"></el-input>
            </el-form-item>
            <el-form-item label="描述" prop="description">
                <el-input style="width: 400px" type="textarea" v-model="form.description"
                          placeholder="请输入图书的描述"></el-input>
            </el-form-item>
            <el-form-item label="出版日期" prop="publishDate">
                <el-date-picker
                        v-model="form.publishDate"
                        type="date"
                        value-format="yyyy-MM-dd"
                        placeholder="请选择出版日期">
                </el-date-picker>
            </el-form-item>
            <el-form-item label="作者" prop="author">
                <el-input v-model="form.author" placeholder="请输入作者"></el-input>
            </el-form-item>
            <el-form-item label="出版社" prop="publisher">
                <el-input v-model="form.publisher" placeholder="请输入出版社"></el-input>
            </el-form-item>
            <el-form-item label="分类" prop="category">
                <el-cascader
                        style="width:220px"
                        :props="{value:'name',label:'name'}"
                        v-model="form.categories"
                        :options="categories">
                </el-cascader>
            </el-form-item>
            <el-form-item label="图书标准码" prop="bookNo">
                <el-input v-model="form.bookNo" placeholder="请输入图书标准码"></el-input>
            </el-form-item>
            <el-form-item label="借书积分" prop="score">
                <el-input-number v-model="form.score" :min="10" :max="30" label="请输入积分"></el-input-number>
            </el-form-item>
            <br/>
            <el-form-item label="封面" prop="cover">
                <!--                <el-input v-model="form.cover" placeholder="请输入封面"></el-input>-->
                <el-upload
                        class="avatar-uploader"
                        :action="'http://localhost:9090/api/book/file/upload?token='+this.admin.token"
                        :show-file-list="false"
                        :on-success="handleCoverSuccess"
                >
                    <img v-if="form.cover" :src="form.cover" class="avatar">
                    <i v-else class="el-icon-plus avatar-uploader-icon"></i>
                </el-upload>
            </el-form-item>
        </el-form>

        <div style="text-align: center;margin-top: 30px ">
            <el-button type="primary" @click="updateBook" size="medium">提交</el-button>
            <!--            <el-button type="danger">取消</el-button>-->
        </div>
    </div>


</template>

<script>
    import request from "@/utils/request";
    import Cookies from "js-cookie";

    export default {
        name: "EditBook",
        data() {
            return {
                form: {score: 10,},
                categories: [],
                admin: Cookies.get('admin') ? JSON.parse(Cookies.get('admin')) : {},
                rules: {
                    //分类不能为空
                    name: [
                        {required: true, message: '请输入图书名称', trigger: 'blur'},
                        // //最小三个字符 最大10个字符
                        // {min: 3, max: 10, message: '长度在3-10个字符之间', trigger: 'blur'}
                    ],
                    bookNo: [
                        {required: true, message: '请输入图书标准码', trigger: 'blur'},
                    ],
                    score: [
                        {required: true, message: '请输入积分', trigger: 'blur'}
                    ]
                }
            }


        },
        created() {
            request.get('/category/tree').then(res => {
                this.categories = res.data
            })
            const id = this.$route.query.id
            request.get("/book/" + id).then(res => {
                this.form = res.data
                if (this.form.category) {
                    this.form.categories = this.form.category.split('>')
                }
            })
        },
        methods: {
            handleCoverSuccess(res) {
                if (res.code === '200') {
                    this.form.cover = res.data
                }

            },
            updateBook() {
                this.$refs['ruleForm'].validate((valid) => {
                    if (valid) {
                        request.put('/book/update', this.form).then(res => {
                            if (res.code === '200') {
                                this.$notify.success('修改成功')
                                this.$router.push("/bookList")
                            } else {
                                this.$notify.error(res.msg)
                            }
                        })
                    }
                })
            }
        }
    }
</script>
<style>
    .avatar-uploader .el-upload {
        border: 1px dashed #d9d9d9;
        border-radius: 6px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
    }

    .avatar-uploader .el-upload:hover {
        border-color: #409EFF;
    }

    .avatar-uploader-icon {
        font-size: 28px;
        color: #8c939d;
        width: 178px;
        height: 178px;
        line-height: 178px;
        text-align: center;
    }

    .avatar {
        width: 178px;
        height: 178px;
        display: block;
    }
</style>
